Built-in cabinet solutions with gas boiler, Furia heat pump and solar thermal. is an efficient and compact system for heating, cooling and instantaneous domestic hot water production. This system includes the integrated operation of a 25-30 and 35 kW condensing boiler, a 6-8-12 kW monoblock heat pump and a solar thermal system. A complete heating plant enclosed in a compact size cabinet with a depth of only 35 cm, a height of 220 cm and a width of 95 cm.